/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for
 *  additional information regarding copyright ownership.
 *
 *  GraphHopper GmbH licenses this file to you under the Apache License,
 *  Version 2.0 (the "License"); you may not use this file except in
 *  compliance with the License. You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.graphhopper.jackson;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.graphhopper.json.Statement;

import java.io.IOException;

class StatementSerializer extends JsonSerializer<Statement> {
    @Override
    public void serialize(Statement statement, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        jsonGenerator.writeStartObject();
        jsonGenerator.writeStringField(statement.keyword().getName(), statement.condition());
        if (statement.isBlock()) {
            jsonGenerator.writeArrayFieldStart("do");
            for (Statement s : statement.doBlock()) {
                serialize(s, jsonGenerator, serializerProvider);
            }
            jsonGenerator.writeEndArray();
        } else {
            jsonGenerator.writeStringField(statement.operation().getName(), statement.value());
        }
        jsonGenerator.writeEndObject();
    }
}
